Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
• Material: Chromed metal
• Item size: 23 x 10mm
• Will fit on any standard size cars existing tyre valve stem
• Indications: Green ¨C tire pressure is normal, Yellow ¨C tire pressure is down by at least 2.3 kg, Red ¨C tire pressure is down by at least 4.6 kg that means you need inflation right now
• Installation: Determine the correct tyre pressure for your tires, Inflate tyre to correct pressure, Install pressure cap tight